Service difficulty report · Tee Fitting · Gulstm GIV

Difficulty date
July 10, 2007
Submitted
July 10, 2007
Operation
General aviation
Aircraft
N177BB
Make and model
Gulstm GIV
Aircraft serial
1073
Aircraft time
13,542 hours, 6,691 cycles
Engine
Rroyce TAY6108
Part
Tee Fitting
Part number
MS21911D6
Condition
Cracked
Location
Hyd System
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FOUND CRACKED HYDRAULIC TEE FITTING, PN MS21911D6, IN AUXILIARY HYDRAULIC SYSTEM FILTER RETURN LINE. CRACK WAS FOUND AT THE MALE END WHERE END AND TEE BODY COME TOGETHER. REPLACED FITTING AND PRESSURIZED AND LEAK CHECKED SYSTEM. OP'S CHECK WAS GOOD, NO LEAKS NOTED.